FREE delivery on orders over €150
Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 1 1/4" |
| Bore Size | 1 1/4" |
| Bore Type | Finished Bore |
| Chain Number | 40 |
| Chain Pitch | 1/2" |
| Chain Size | #40 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 1 1/4" |
| For Chain Number | 40 |
| For Chain Pitch | 1/2" |
| Hub Configuration | B |
| Hub Dia. | 2.313" |
| Hub Outside Dia. | 2 5/16" |
| Individually Packaged | Yes |
| Key Way Size | 1/4" x 1/8" |
| Length Through Bore | 1" |
| Length Thru Bore | 1" |
| Material | Steel |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 18 |
| Outside Dia. | 3.136" |
| Pitch | 1/2" |
| Pitch Dia. | 2.879" , 2.8794" |
| Screw Size | 5/16"-18 x 5/16" |
| Set Screw Location | (1) Over Keyway And (1) At 90° |
| Set Screw Size | 5/16"-18 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.284" |
| Storage Dimension Height | 1.06" |
| Storage Dimension Length | 3 1/4" |
| Storage Dimension Width | 3 1/4" |
| Type | Bored to Size Type BS |
Shipping Info:
| Ship weight (kg) | 0.37 |
| Ship height (cm) | 2.69 |
| Ship length (cm) | 7.98 |
| Ship width (cm) | 7.98 |
| Country of Origin | US |
Product Variants
| Product | Model | Pitch Dia. | No. Of Teeth | Length Through Bore | Hub Dia. | Bore Dia. | Length Thru Bore | Set Screw Size | Key Way Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
40BS9 1/2 | 1.462" | 9 | 7/8" | 1 1/8" | 1/2" | 7/8" | #10-24 | 1/8" x 1/16" | €29.33 | |
![]() |
40BS9 5/8 | 1.462" | 9 | 7/8" | 1 1/8" | 5/8" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €29.33 | |
![]() |
40BS10 1/2 | 1.618" | 10 | 7/8" | 1 1/4" | 1/2" | 7/8" | #10-24 | 1/8" x 1/16" | €30.42 | |
![]() |
40BS10 5/8 | 1.618" | 10 | 7/8" | 1 1/4" | 5/8" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €30.42 | |
![]() |
40BS10 3/4 | 1.618" | 10 | 7/8" | 1 1/4" | 3/4" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €30.42 | |
![]() |
40BS11 1/2 | 1.775" | 11 | 7/8" | 1 3/8" | 1/2" | 7/8" | #10-24 | 1/8" x 1/16" | €31.80 | |
![]() |
40BS11 5/8 | 1.775" | 11 | 7/8" | 1 3/8" | 5/8" | 7/8" | 1/4"-20 | 3/16" x 3/32" | €31.80 |
Explore Products
- STARRETT 99206-10-03 Band Saw Blade Coil Stock, 3/4 Inch width, 6-10 TPI, 10 Ft. 3 Inch Coil
- APPLETON ELECTRIC Z11162502KIT Heater Guard
- WALTER TOOLS WNMG080412-MV7 WPV20 Triangle Turning Insert
- SMC VALVES CDQ2L80TN-30DZ Compact Cylinder
- PARKER 10 WTX-SS Bulkhead Union, 5/8 Inch
- VOLKEL 03097 Rapid Hex Tap, Form D HSS-G, M 12 x 1.75 Size
- NTN wc87016 Radial/Deep Groove Ball Brg - 16 Mm Id X 35 Mm Od X 12.7 Mm W; Single Seal & Single Shield
- DDS 63.582.559.52TC Rotary Shaft Oil Seal, Tc, Nitrile, 2.5 Inch ID, 3.25 Inch Od, 0.375 Inch Width
Explore More
- HALTEC
- KANT-TWIST
- KEYSHAFT
- PURTEST
- PEER CHAIN
- Tube Fitting Manifolds
- Pneumatic Check Valves
- Recycling Carts
- Cut-Resistant Sleeves
- Nuisance Dust and Procedural Masks
- CHICAGO PROTECTIVE APPAREL ARC Flash Jacket And Bib Kit, 12 Cal
- DESTACO 602 Series Straight Line Action Clamps
- ABUS 75 Series Brass Keyed Alike Padlocks
- ANVIL 260 Series Adjustable Clevis Hangers, Carbon Steel
- ANVIL AS150KO Series Channels With Knock Out
- DIXON Cam and Groove Handles
- HOFFMAN Universal Cutout Operator Adapters
- BUSSMANN Low-Peak KRP-C Class L Time-Delay Fuses, 600VAC/300VDC
- VOLKEL Hand Taps, ISO 529/DHSS-G, UNF
- LS ELECTRIC High-Precision Planetary Gearboxes
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
MARTIN SPROCKET 40BS18 1 1/4 Roller Chain Sprocket, Bore To Size, 1.250 Inch Bore, 3.136 Inch Outside Dia. Steel
€48.78 /unit







